Refractive index measurement of uniform liquid using an improved laser speckle method

被引:4
作者
Luo, Jinming [1 ]
Li, Laize [1 ]
Yang, Guosheng [1 ]
Chen, Miaohong [1 ]
Weng, Lingna [1 ]
Yang, Jiayao [1 ]
Zhong, Yuancong [1 ]
Deng, Dingnan [1 ]
机构
[1] Jiaying Univ, Sch Phys & Elect Engn, Meizhou, Peoples R China
关键词
refractive index; speckle; optical design;
D O I
10.1117/1.OE.62.4.044107
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Based on the refraction characteristic of uniform and transparent liquid, the measurement error of the liquid refractive index using the internal standard method is analyzed, and an improved laser speckle method is proposed. This method designs a double-cell structure composed of two identical rectangular parallelepiped glass cells with one cell containing the liquid to be measured and the other one being empty. This double-cell structure is placed in the built optical system based on laser speckle, and then the refractive indices of sodium chloride solution and sucrose solution with various concentrations are measured by the improved method. Compared with the measurement values of the Abbe refractometer and the internal standard method, the results show that the improved method can significantly reduce the measurement error and improve the measurement accuracy.
引用
收藏
页数:9
相关论文
共 17 条
[1]   Speckle spatial correlations aiding optical transmission matrix retrieval: the smoothed Gerchberg-Saxton single-iteration algorithm [J].
Ancora, Daniele ;
Dominici, Lorenzo ;
Gianfrate, Antonio ;
Cazzato, Paolo ;
De Giorgi, Milena ;
Ballarini, Dario ;
Sanvitto, Daniele ;
Leuzzi, Luca .
PHOTONICS RESEARCH, 2022, 10 (10) :2349-2358
[2]   Online monitoring of the axial thermal displacement of machine tools using a laser mouse sensor [J].
Cheng, Wen-Nan ;
Cheng, Chih-Chun ;
Tsai, Chih-Ming ;
Chen, Wei-Jen ;
Kuo, Yu-Hsin .
OPTICAL ENGINEERING, 2022, 61 (07)
[3]   A SIMPLE AND RELIABLE SYSTEM FOR MEASURING THE REFRACTIVE-INDEX OF LIQUIDS USING A POSITION-SENSITIVE DETECTOR [J].
DOCCHIO, F ;
CORINI, S ;
PERINI, M ;
KASANA, RS .
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, 1995, 44 (01) :68-70
[4]   Measurement of Variations in Gas Refractive Index with 10-9 Resolution Using Laser Speckle [J].
Facchin, Morgan ;
Bruce, Graham D. ;
Dholakia, Kishan .
ACS PHOTONICS, 2022, 9 (03) :830-836
[5]   Refractive Index and Extinction Coefficient of Vapor-deposited Water Ice in the UV-vis Range [J].
He, Jiao ;
Diamant, Sharon J. M. ;
Wang, Siyu ;
Yu, Haochuan ;
Rocha, Will R. M. ;
Rachid, Marina ;
Linnartz, Harold .
ASTROPHYSICAL JOURNAL, 2022, 925 (02)
[6]   Sample entropy analysis of laser speckle fluctuations to suppress motion artifact on blood flow monitoring [J].
Kim, Sungchul ;
Kim, Evgenii ;
Anguluan, Eloise ;
Kim, Jae Gwan .
CHINESE OPTICS LETTERS, 2022, 20 (01)
[7]   Automatic refractometer [J].
Leung, AF ;
Vandiver, JJ .
OPTICAL ENGINEERING, 2003, 42 (04) :1128-1131
[8]   Simultaneous measurement of three-dimensional deformation based on digital speckle pattern interferometry technology [J].
Li, Zhisong ;
Zhong, Ping ;
Chen, Yu ;
Tang, Xin ;
Gao, Yinrui ;
Hu, Haowei .
OPTICS COMMUNICATIONS, 2021, 480
[9]  
Longtin JP, 1998, MICROSCALE THERM ENG, V2, P261
[10]   Surface plasmon resonance sensor based on the dual core D-shape photonic crystal fiber for refractive index detection in liquids [J].
Lv, Jingwei ;
Zhu, Meijun ;
Yang, Lin ;
Hu, Chunjie ;
Yi, Zao ;
Wang, Jianxin ;
Song, Xinping ;
Wang, Debao ;
Chu, Paul K. ;
Liu, Chao .
OPTICAL ENGINEERING, 2022, 61 (08)